Cushion Valve [3] (Diagram 6) • Remove the spring (1). • Remove the plunger assembly (15).(The orifice (2) and ring (8) cannot be disassembled.) • Remove the springs (1).
E
Diagram 6
IN
TE RN
AL
• Remove the O-ring (12). During assembly, pay attention to the assembly direction of the plunger assembly (15). (Install in such a way that the ring (8) can be seen when the assembly is viewed from the A port side.)
CO US N F E ID O E F N TS TI M AL GL : F O OR BA T L H
Troubles and countermeasures Trouble state
Primary cause
Countermeasure
Oil leaking to the outside
・ Damage to the surfaces of the O-ring seals of each port section. ・ O-ring damage.
・ Repair each port or perform replacement. ・ Replacement.
A → B control flow is unstable.
・ Spring (1) wear or breaking. ・ Foreign matter caught in the plunger assembly (15). ・ Foreign matter clogging the orifice (2).
・ Spring (1) replacement. ・ Disassembly, cleaning, and repair or replacement. ・ Disassembly and cleaning.
Entire B → A flow is not flowing.
・ Foreign matter caught in the plunger assembly (15).
・ Disassembly, cleaning, and repair or replacement.
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ASM-17-27-002EN 5
